800851002 has 48 divisors (see below), whose sum is σ = 1876704480. Its totient is φ = 227156832.

The previous prime is 800850997. The next prime is 800851003. The reversal of 800851002 is 200158008.

800851002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (800851003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31068 + ... + 50664.

It is an arithmetic number, because the mean of its divisors is an integer number (39098010).

Almost surely, 2^800851002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800851002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938352240).

800851002 is an abundant number, since it is smaller than the sum of its proper divisors (1075853478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800851002 is a wasteful number, since it uses less digits than its factorization.

800851002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19755 (or 19748 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 800851002 is about 28299.3109810115. The cubic root of 800851002 is about 928.6468168559.

The spelling of 800851002 in words is "eight hundred million, eight hundred fifty-one thousand, two".